@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ==========================================================================
   Site Header & Navbar (Dedicated component for legacy pages)
   ========================================================================== */

.site-header {
  --bg-surface: #f7f7f4;
  --text-primary: #171717;
  --text-secondary: #66635c;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max-width: 1240px;

  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  font-family: var(--font-family);
  box-sizing: border-box;
}

.site-header *,
.site-header *::before,
.site-header *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Header Container */
.site-header .bw-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: 32px;
}

@media (max-width: 640px) {
  .site-header .bw-container {
    padding-inline: 20px;
  }
}

.site-header .header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Brand Link & Logo */
.site-header .brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.18s ease;
}

.site-header .brand-link:hover {
  opacity: 0.85;
}

.site-header .brand-logo {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

/* Main Navigation */
.site-header .main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-header .nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.site-header .nav-link {
  color: #5c5c5c;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 8px;
  background-color: transparent;
  transition: color 0.18s ease, background-color 0.18s ease;
  font-family: var(--font-family);
  line-height: normal;
  display: inline-flex;
  align-items: center;
}

.site-header .nav-link:hover {
  color: var(--text-primary);
  background-color: rgba(0, 0, 0, 0.04);
}

.site-header .nav-link.active,
.site-header .nav-link[aria-current="page"] {
  color: var(--text-primary);
  background-color: rgba(0, 0, 0, 0.07);
  font-weight: 600;
}

.site-header .nav-cta-wrap {
  display: flex;
  align-items: center;
}

.site-header .btn-navbar-demo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  background-color: var(--text-primary);
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-family);
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--text-primary);
  white-space: nowrap;
  line-height: normal;
  transition: background-color 0.18s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.18s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.18s ease;
}

.site-header .btn-navbar-demo:hover {
  background-color: #000000;
  border-color: #000000;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  color: #ffffff !important;
}

.site-header .btn-navbar-demo:active {
  transform: translateY(0);
}

/* Mobile Toggle Hamburger */
.site-header .mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  align-items: center;
  z-index: 1001;
}

.site-header .mobile-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.site-header .mobile-toggle.is-active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header .mobile-toggle.is-active .bar:nth-child(2) {
  opacity: 0;
}

.site-header .mobile-toggle.is-active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 861px) and (max-width: 1100px) {
  .site-header .main-nav {
    gap: 16px;
  }
  .site-header .nav-links {
    gap: 4px;
  }
  .site-header .nav-link {
    padding: 6px 10px;
    font-size: 13.5px;
  }
}

/* Responsive Navigation for Tablets and Mobile */
@media (max-width: 860px) {
  .site-header .mobile-toggle {
    display: flex;
  }

  .site-header .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 24px 32px 32px;
    gap: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
    z-index: 999;
  }

  .site-header .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-header .nav-links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 6px;
  }

  .site-header .nav-link {
    font-size: 15px;
    width: 100%;
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    border-bottom: none;
  }

  .site-header .nav-link.active,
  .site-header .nav-link[aria-current="page"] {
    background-color: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
    font-weight: 600;
  }

  .site-header .nav-cta-wrap {
    width: 100%;
    padding-top: 8px;
  }

  .site-header .btn-navbar-demo {
    width: 100%;
    text-align: center;
    padding: 12px 20px;
    font-size: 15px;
  }
}